Finding the Fourth Proportional to 34,476,315.20, 47,577,681.63 and 19,006,953.42
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Solution
The fourth proportional to 34,476,315.20, 47,577,681.63 and 19,006,953.42 is: 26,229,797.86
Step by Step Solution
- Step 1: Write the proportion equation
34,476,315.20 : 47,577,681.63 = 19,006,953.42 : x - Step 2: Convert to fraction form
34,476,315.20/47,577,681.63 = 19,006,953.42/x - Step 3: Cross multiply
34,476,315.20x = 47,577,681.63 × 19,006,953.42 - Step 4: Simplify right side
34,476,315.20x = 904,306,778,572,999.75 - Step 5: Solve for x
x = 904,306,778,572,999.75/34,476,315.20 - Step 6: Final answer
x = 26,229,797.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.